Arnold Grummer's pack of 20 Medium Couch Sheets 6 x 9 inch reusable couch sheet - For pressing and drying newly formed sheets of handmade paper. Use medium couch sheets with the Papermill Complete Kit, the Papermill Station for Groups or any Arnold Grummer medium size pour or dip handmold. Expands the number of sheets that can be made in one session by ten when used with any set listed above. Dry to reuse. pack of 20 sheets 6 x 9 inch.